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Using a strategy pattern and a command pattern
... without having to hard-code its details. It allows messages to be invoked one or more times, or passed along to different parts of the system or multiple systems without requiring the details of a specific invocation to be known before execution.
As is typical for design patterns, they do not req...
Convert JS date time to MySQL datetime
Does anyone know how to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime?
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Can you explain the concept of streams?
...e a bit in the sample code. The explicit conversion from string to int is done automatically doing ReadInt ? i believe i could do ReadString too ?
– Rushino
Oct 26 '12 at 15:07
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How can I use threading in Python?
...ost that you should definitely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code:
from multiprocessing.dummy import Pool as ThreadPool
pool = ThreadPool(4)
results = pool.map(my_functi...
Immutable class?
How can one make a Java class immutable, what is the need of immutability and is there any advantage to using this?
13 Answ...
Print PHP Call Stack
... are looking for debug_backtrace and/or debug_print_backtrace.
The first one will, for instance, get you an array like this one (quoting the manual) :
array(2) {
[0]=>
array(4) {
["file"] => string(10) "/tmp/a.php"
["line"] => int(10)
["function"] => string(6) "a_test"
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What is the difference between int, Int16, Int32 and Int64?
...e way.
The resulting code will be identical: the difference is purely one of
readability or code appearance.
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Hidden features of mod_rewrite
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1 year old post, but one of the more useful things I've found on SO - for me.
– Erik
Jan 23 '10 at 18:07
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
...hread gives me or whatever the native system library provides) or a single one for an object.
5 Answers
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MySQL query String contains
...umn` LIKE '%{$needle}%'
");
The % is a wildcard for any characters set (none, one or many). Do note that this can get slow on very large datasets so if your database grows you'll need to use fulltext indices.
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